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- A mirage is an optical illusion. 海市蜃楼是一种视错觉。
- an optic angle 视角
- I thought I saw a ghost but it was just an optical illusion. 我以为我看见鬼了，其实只是一种幻觉。
- A light-sensitive unit used with an optical arrangement for scanning images. 与光学装置一起用来扫描图象的一种光敏装置。
- An optical effect proper to fluids. 液体所固有的光学效果
- A kaleidoscope is an optical toy. 万花筒是一种光学玩具。
- To adjust the line of sight of(an optical device). 校准调整光学仪器瞄准器
- A microscope is an optical instrument. 显微镜是光学仪器。
- The eyepiece of an optical instrument. 光学仪器的目镜
- He suffers from an optical defect. 他有视觉障碍。
- An optical disk, especially a compact disk. 光盘，尤指微缩盘
- The plant was growing at an angle. 植物呈一定角度生长。
- My camera has an optical viewfinder. 我这个照相机装有光学取景器。
- An optic fiber Fabry Perot strain sensor system based on tunable Fabry Perot[J]. 引用该论文 孙吉勇;陈伟民;朱永;黄尚廉.
- Giemsa stain and observed by an optic microscope.Counting the number of micronuclei. 方法:取鱼外周血涂片,染色,计数微核数。
- The process of enlarging the size of something, as an optical image. 放大放大某一物体的尺寸，如一个光学图像的尺寸
- The lake in the desert was just an optical illusion. 沙漠中的湖泊只是一种视力错觉。
- A lens is an optical system including two refracting surfaces. 一个透镜是包含两个折射面的光学系统。
- His optic nerve was hurt in an accident. 他的视神经在一次事故中受到损伤。
- Mirrors attached to the rollers form part of an optical system. 装在圆筒上的小镜是光学系统的一部分。
